1. a University of Natural Resources and Life Sciences (BOKU), Department of Water, Atmosphere and Environment, Institute for Sanitary Engineering and Water Pollution Control, Muthgasse 18, Vienna A-1190, Austria
2. b Lugitsch und Partner Ziviltechniker GmbH, Mozartweg 1, Feldbach A-8330, Austria
3. c DI Dr Kiril Atanasoff-Kardjalieff, Zivilingenieur für Kulturtechnik und Wasserwirtschaft, Rosengasse 12/4/18, Achau A-2481, Austria
4. d AEP Consulting ZT GmbH, Rosengasse 12/4/18, Achau A-2481, Austria